Finding the Fourth Proportional to 4,665,235.68, 6,440,186.40 and 3,289,700.16
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Solution
The fourth proportional to 4,665,235.68, 6,440,186.40 and 3,289,700.16 is: 4,541,310.17
Step by Step Solution
- Step 1: Write the proportion equation
4,665,235.68 : 6,440,186.40 = 3,289,700.16 : x - Step 2: Convert to fraction form
4,665,235.68/6,440,186.40 = 3,289,700.16/x - Step 3: Cross multiply
4,665,235.68x = 6,440,186.40 × 3,289,700.16 - Step 4: Simplify right side
4,665,235.68x = 21,186,282,230,509.83 - Step 5: Solve for x
x = 21,186,282,230,509.83/4,665,235.68 - Step 6: Final answer
x = 4,541,310.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.